The first new MacBook since 2010 with several new features and revamped design. The MacBook is not only lighter, but also more energy efficient than its predecessors, with a battery that will last up to 9 hours on a single charge.
* Brand new with protective hard case and user instructions Electronic Digital Caliper Made of hardened stainless steel Base measuring function: Inside, outside, depth and step measuring Handy conversion chart at the back Linear capacitive measuring system Zero setting in any position With a small locking thumb screw which locks the jaws in place
* Measurement in both SAE (inch) or Metric (mm) with conversion * Measure range: 0 - 6" (0 - 150mm) * Measurement types: internal dimension, external demension, depth and steps * Large LCD Display * Resolution: 0.0005"/0.01mm * Accuracy: 0.001"/0.02mm (< 4"/100mm measurement) * Repeatability: 0.0005"/0.01mm * Maximum measuring speed: 60"(1500mm)/sec. * Measuring system: linear capacitive * Working temperature: 41 - 104F (5 - 40C) * Influence of humidity: Not important under 80% of relative humidity * Power: One 1.5V SR44/AG13 button Cell (cells included)